| Patents for G05F 1 - Automatic systems in which deviations of an electric quantity from one or more predetermined values are detected at the output of the system and fed back to a device within the system to restore the detected quantity to its predetermined value or values, i.e. retroactive systems (37,749) |
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| 10/08/2009 | US20090251115 Rapid Supply Voltage Ramp |
| 10/08/2009 | US20090251114 Alternating-current power supply device recovering magnetic energy |
| 10/08/2009 | DE102008014425A1 Treiberschaltung, Verfahren zum Betrieb und Verwendung eines Stromspiegels einer Treiberschaltung Driver circuit, method of operation and use of a current mirror of a driver circuit |
| 10/08/2009 | DE102008008831A1 Strombegrenzte Spannungsquelle mit weitem Eingangsstrombereich Current-limited voltage source with wide input current range |
| 10/07/2009 | EP1794661B1 Device for regulating electrical voltage |
| 10/07/2009 | CN101553766A Voltage control for electric power systems |
| 10/07/2009 | CN101552608A System and method for adjusting the common mode voltage of the preamplifier in ADC system. |
| 10/07/2009 | CN101552560A Switch voltage-stabilizing circuit and control method thereof |
| 10/07/2009 | CN101552549A Control method and control device of buck single-inductor dual-output branch switch converter |
| 10/07/2009 | CN101552548A Power supply control system |
| 10/07/2009 | CN101552547A Pseudo-continuous work mode switch power supply power factor correcting method and device thereof |
| 10/07/2009 | CN101551688A Current-limiting circuit and electrical device with same |
| 10/07/2009 | CN101551687A Vector tracking feedback method of closed triangle |
| 10/07/2009 | CN100548037C Power supply unit for an electronic device |
| 10/07/2009 | CN100547512C A controller |
| 10/07/2009 | CN100547511C Digital control system for LCD backlights |
| 10/06/2009 | US7598801 Voltage regulator, voltage regulating method thereof and voltage generator using the same |
| 10/06/2009 | US7598800 Method and circuit for an efficient and scalable constant current source for an electronic display |
| 10/06/2009 | US7598799 Bandgap voltage reference circuit |
| 10/06/2009 | US7598797 Charge pump circuit with bipolar output |
| 10/06/2009 | US7598796 Semiconductor integrated circuit including charging pump |
| 10/06/2009 | US7598795 Negative voltage converter |
| 10/06/2009 | US7598719 Switching regulator with improved power supply voltage variation response |
| 10/06/2009 | US7598718 Controller for DC to DC converter |
| 10/06/2009 | US7598717 Current-sourced power supplies |
| 10/06/2009 | US7598716 Low pass filter low drop-out voltage regulator |
| 10/06/2009 | US7598715 Apparatus and method for reverse current correction for a switching regulator |
| 10/06/2009 | US7598714 Amplifier employing interleaved signals for PWM ripple suppression |
| 10/06/2009 | US7598710 Battery charger with temperature control |
| 10/06/2009 | US7598692 Electric power converter, electric power converter controlling method and electric power converting system |
| 10/06/2009 | US7598684 Methods and apparatus for controlling devices in a networked lighting system |
| 10/06/2009 | US7598682 Current regulator apparatus and methods |
| 10/06/2009 | US7598681 Methods and apparatus for controlling devices in a networked lighting system |
| 10/06/2009 | US7598680 Electronic power protection circuit and applications thereof |
| 10/01/2009 | US20090243714 Power noise immunity circuit |
| 10/01/2009 | US20090243712 Device for reducing power consumption inside integrated circuit |
| 10/01/2009 | US20090243711 Bias current generator |
| 10/01/2009 | US20090243709 Devices, systems, and methods for generating a reference voltage |
| 10/01/2009 | US20090243707 Semiconductor integrated circuit apparatus and electronic apparatus |
| 10/01/2009 | US20090243706 Voltage regulated charge pump |
| 10/01/2009 | US20090243704 Internal voltage generator |
| 10/01/2009 | US20090243580 Method of forming a power supply controller and structure therefor |
| 10/01/2009 | US20090243579 Dcdc converter with soft-startup and soft-transition for adjustable output voltage |
| 10/01/2009 | US20090243578 Power Supply with Digital Control Loop |
| 10/01/2009 | US20090243577 Reverse current reduction technique for dcdc systems |
| 10/01/2009 | US20090243576 Electronic device, detection circuit and voltage control method |
| 10/01/2009 | US20090243575 Semiconductor device and power supply using the same |
| 10/01/2009 | US20090243574 Internal combustion engine controller |
| 10/01/2009 | US20090243573 Compound power supply |
| 10/01/2009 | US20090243572 Power Supply with Digital Control Loop |
| 10/01/2009 | US20090243571 Built-In Self-Calibration (BISC) Technique for Regulation Circuits Used in Non-Volatile Memory |
| 10/01/2009 | US20090243570 5 volt tolerant voltage regulator |
| 10/01/2009 | US20090243569 Method and apparatus for synchronous buck with active negative current modulation |
| 10/01/2009 | US20090243568 Method and apparatus for synchronous boost voltage regulators with active negative current modulation |
| 10/01/2009 | US20090243567 Voltage control circuit |
| 10/01/2009 | US20090243566 Converter Arrangement and Method for Preparing a Converted Signal |
| 10/01/2009 | US20090243565 Method and apparatus for detecting end of start up phase |
| 10/01/2009 | US20090243564 Electric current monitoring device |
| 10/01/2009 | US20090243563 Power supply circuit and test apparatus |
| 10/01/2009 | US20090243562 Bias Voltage Converter |
| 10/01/2009 | US20090243561 Method of power factor correction |
| 10/01/2009 | US20090243559 Universal, fail-safe, common control of multiple alternators electrically connected in tandem parallel for producing high current |
| 09/30/2009 | CN201319153Y Controllable weak current source |
| 09/30/2009 | CN101548252A Power converter with hysteretic control |
| 09/30/2009 | CN101546955A Charge pump circuit |
| 09/30/2009 | CN101546205A Power management circuit and frequency compensation method thereof |
| 09/30/2009 | CN101546204A Voltage generator with dynamic resistance feedback control |
| 09/30/2009 | CN101546203A Method and apparatus for synchronous buck with active negative current modulation |
| 09/30/2009 | CN100546423C Intelligent electricity-saving device for lighting supply source |
| 09/30/2009 | CN100545779C High voltage bias PMOS current source circuit |
| 09/30/2009 | CN100545778C Controller of once controlled power source supplier for controlling output current |
| 09/29/2009 | US7595686 Digital controller for high-frequency switching power supplies |
| 09/29/2009 | US7595685 Power efficient and fast settling bias current generation circuit and system |
| 09/29/2009 | US7595684 Voltage generation circuit and semiconductor memory using the same |
| 09/29/2009 | US7595683 Low-input-voltage charge pump |
| 09/29/2009 | US7595682 Multi-stage charge pump without threshold drop with frequency modulation between embedded mode operations |
| 09/29/2009 | US7595624 Slope compensation for switching regulator |
| 09/29/2009 | US7595623 Methods and apparatus for a spread spectrum switching regulator |
| 09/29/2009 | US7595622 System and method for providing a sample and hold circuit for maintaining an output voltage of a constant current source circuit when a feedback loop is disconnected |
| 09/29/2009 | US7595621 DC-DC converter control circuit and DC-DC converter control method |
| 09/29/2009 | US7595620 Switching regulator |
| 09/29/2009 | US7595619 Feed-forward circuit for adjustable output voltage controller circuits |
| 09/29/2009 | US7595618 DC voltage converter with a detector circuit configured to distinguish between operating modes |
| 09/29/2009 | US7595617 Switching power supply control |
| 09/29/2009 | US7595616 Control circuit for a polarity inverting buck-boost DC-DC converter |
| 09/29/2009 | US7595614 Load tap changer |
| 09/29/2009 | US7595613 Method and apparatus for electronic power control |
| 09/29/2009 | US7595608 Gate driver for a battery pack |
| 09/29/2009 | US7595596 Power-saving control circuit and method for OLED panel |
| 09/29/2009 | US7595595 System and method for current and/or temperature control of light fixtures |
| 09/29/2009 | US7595569 Versatile and intelligent power controller |
| 09/25/2009 | CA2626949A1 Circuit installation capable of full voltage activation, division voltage operation and delayed braking |
| 09/24/2009 | WO2009117428A2 A family of current/power-efficient high voltage linear regulator circuit architectures |
| 09/24/2009 | WO2009117211A2 Improved motion-sensitized driven equilibrium blood-suppression sequence for vessel wall imaging |
| 09/24/2009 | WO2009115895A1 Arrangement related to offshore cable system |
| 09/24/2009 | WO2009115483A1 Method and device for operating a circuit arrangement |
| 09/24/2009 | WO2009069976A3 Maglev train |
| 09/24/2009 | US20090237854 Voltage regulator with transient recovery circuit |
| 09/24/2009 | US20090237152 Internal voltage generator |
| 09/24/2009 | US20090237150 Bandgap reference circuit with low operating voltage |